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Article ; Online: Meat production traits of Angora goats. 2. Meat quality characteristics and fatty acid composition of meat from intact and castrated kids

Erol, Halil / Ünal, Necmettin

Animal Production Science. 2022, v. 62, no. 16 p.1607-1617

2022

Abstract: Context In Turkey, meat production contributes much more income than mohair production in Angora goat farming. Castration is expected to alter the meat quality depending on the slaughter weight. Aims This study was designed to determine the quality ... ...

Abstract	Context In Turkey, meat production contributes much more income than mohair production in Angora goat farming. Castration is expected to alter the meat quality depending on the slaughter weight. Aims This study was designed to determine the quality characteristics and fatty acid composition of meat from intact and castrated male Angora goat kids slaughtered at different liveweights. Methods Forty-eight single male Angora goat kids (24 intact, 24 castrated) were slaughtered at three slaughter weights (20, 25 and 30kg) after being fattened intensively. Response variables were meat physical quality characteristics, chemical composition, total cholesterol and fatty acid profile. Data were subjected to analysis of variance using the general linear model procedure. Key results Colour parameters (L , a , b , C and H ), pH, water-holding capacity and cooking loss were significantly (P P >0.05) these properties. L values decreased (P P P P P P longissimus thoracis muscle showed increased polyunsaturated fatty acids (P P P P P Conclusions Castration of Angora male kids did not affect meat quality, but increased protein and intramuscular fat content of the longissimus thoracis muscle. Increasing slaughter weight positively influenced fatty acid composition pertinent to human health, but some measures indicated poorer meat quality. Implications Castration and slaughter weight did not greatly affect meat quality except for improvements in fatty acid percentages.
Keywords	Angora (goat breed) ; analysis of variance ; castration ; cholesterol ; color ; fatty acid composition ; fatty acids ; human health ; income ; intramuscular fat ; linear models ; longissimus muscle ; males ; meat ; meat composition ; meat production ; meat quality ; mohair ; pH ; slaughter ; slaughter weight ; water holding capacity ; Angora goat ; chemical composition ; fatty acid ; kid
Language	English
Size	p. 1607-1617.
Publishing place	CSIRO Publishing
Document type	Article ; Online
ZDB-ID	2472524-9
ISSN	1836-5787 ; 1836-0939
ISSN (online)	1836-5787
ISSN	1836-0939
DOI	10.1071/AN21062
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Meat production traits of Angora goat 1: fattening, slaughter, and carcass characteristics of intact and castrated kids.

Erol, Halil / Ünal, Necmettin

Tropical animal health and production

2021 Volume 53, Issue 1, Page(s) 142

Abstract: Fattening performance, slaughter, and carcass traits of intact and castrated Angora goat kids slaughtered at different slaughter weights were examined. A total of 96 (48 intact, I-kids, and 48 castrated, C-kids) single Angora kids were fattened, and 48 ... ...

Abstract	Fattening performance, slaughter, and carcass traits of intact and castrated Angora goat kids slaughtered at different slaughter weights were examined. A total of 96 (48 intact, I-kids, and 48 castrated, C-kids) single Angora kids were fattened, and 48 of them (24 I-kids and 24 C-kids) were slaughtered at slaughter weights (SW) of 20, 25, and 30 kg. Castration negatively affected fattening performance, and the kids showed rising daily weight gain with increasing SW. While dressing percentages were not affected by castration, it caused a tendency for a decrease in offal. However, with the increase in SW, dressing percentages increased, and offal decreased. Castration increased non-carcass fat percentages and back fat depth. The proportions of individual cuts did not generally vary because of castration but changed with SW; foreleg percentages decreased (P < 0.001) while neck percentages increased (P < 0.05). Carcass composition was affected by castration; the percentages of carcass lean (P < 0.001) and bone (P < 0.01) dropped, and total fat (P < 0.001) increased. SW had an impact on carcass composition; the percentages of carcass bone (P < 0.001) declined, and lean (P < 0.001) and total fat (P < 0.001) raised as SW increased. The lean/fat ratio was affected by castration (P < 0.001) and increasing SW (P < 0.05). Castration reduced the lean percentage in all cuts. The leg showed the highest lean percentage, whereas the greatest fat ratio was found in the breast+flank in all SW groups. Consequently, castration of Angora male kids negatively affected fattening performance and altered the carcass composition, while the increase in slaughter weight improved fattening performance and slaughter and carcass characteristics.
MeSH term(s)	Animals ; Body Composition ; Body Weight ; Goats ; Male ; Orchiectomy/veterinary ; Red Meat ; Weight Gain
Language	English
Publishing date	2021-01-27
Publishing country	United States
Document type	Journal Article
ZDB-ID	603363-5
ISSN	1573-7438 ; 0049-4747
ISSN (online)	1573-7438
ISSN	0049-4747
DOI	10.1007/s11250-021-02586-6
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Article: Meat production traits of Angora goat 1: fattening, slaughter, and carcass characteristics of intact and castrated kids

Erol, Halil / Ünal, Necmettin

Tropical animal health and production. 2021 Mar., v. 53, no. 1

2021

Abstract	Fattening performance, slaughter, and carcass traits of intact and castrated Angora goat kids slaughtered at different slaughter weights were examined. A total of 96 (48 intact, I-kids, and 48 castrated, C-kids) single Angora kids were fattened, and 48 of them (24 I-kids and 24 C-kids) were slaughtered at slaughter weights (SW) of 20, 25, and 30 kg. Castration negatively affected fattening performance, and the kids showed rising daily weight gain with increasing SW. While dressing percentages were not affected by castration, it caused a tendency for a decrease in offal. However, with the increase in SW, dressing percentages increased, and offal decreased. Castration increased non-carcass fat percentages and back fat depth. The proportions of individual cuts did not generally vary because of castration but changed with SW; foreleg percentages decreased (P < 0.001) while neck percentages increased (P < 0.05). Carcass composition was affected by castration; the percentages of carcass lean (P < 0.001) and bone (P < 0.01) dropped, and total fat (P < 0.001) increased. SW had an impact on carcass composition; the percentages of carcass bone (P < 0.001) declined, and lean (P < 0.001) and total fat (P < 0.001) raised as SW increased. The lean/fat ratio was affected by castration (P < 0.001) and increasing SW (P < 0.05). Castration reduced the lean percentage in all cuts. The leg showed the highest lean percentage, whereas the greatest fat ratio was found in the breast+flank in all SW groups. Consequently, castration of Angora male kids negatively affected fattening performance and altered the carcass composition, while the increase in slaughter weight improved fattening performance and slaughter and carcass characteristics.
Keywords	Angora (goat breed) ; animal health ; backfat ; castration ; legs ; males ; meat production ; neck ; slaughter ; slaughter weight ; weight gain
Language	English
Dates of publication	2021-03
Size	p. 142.
Publishing place	Springer Netherlands
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	603363-5
ISSN	1573-7438 ; 0049-4747
ISSN (online)	1573-7438
ISSN	0049-4747
DOI	10.1007/s11250-021-02586-6
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Article ; Online: The evaluation of the genotype and slaughter weight effect on meat quality and fatty acid profile from two native sheep.

Güngör, Ömer Faruk / Özbeyaz, Ceyhan / Ünal, Necmettin / Akçapınar, Halil

Tropical animal health and production

2023 Volume 55, Issue 2, Page(s) 116

Abstract: The purpose of this study is to investigate the quality characteristics and fatty acid composition of meat from male Akkaraman (AKK) and Bafra × Akkaraman ... ...

Abstract	The purpose of this study is to investigate the quality characteristics and fatty acid composition of meat from male Akkaraman (AKK) and Bafra × Akkaraman B
MeSH term(s)	Sheep ; Animals ; Male ; Fatty Acids/analysis ; Fatty Acids, Unsaturated/analysis ; Meat/analysis ; Cooking ; Genotype
Chemical Substances	Fatty Acids ; Fatty Acids, Unsaturated
Language	English
Publishing date	2023-03-16
Publishing country	United States
Document type	Journal Article
ZDB-ID	603363-5
ISSN	1573-7438 ; 0049-4747
ISSN (online)	1573-7438
ISSN	0049-4747
DOI	10.1007/s11250-023-03523-5
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Article ; Online: The evaluation of the genotype and slaughter weight effect on meat quality and fatty acid profile from two native sheep

Güngör, Ömer Faruk / Özbeyaz, Ceyhan / Ünal, Necmettin / Akçapınar, Halil

Trop Anim Health Prod. 2023 Apr., v. 55, no. 2 p.116-116

2023

Abstract: The purpose of this study is to investigate the quality characteristics and fatty acid composition of meat from male Akkaraman (AKK) and Bafra × Akkaraman B₁ (BA B₁) lambs slaughtered at different live weights. Thirty-six male lambs (18 AKK and 18 BA B₁) ...

Abstract	The purpose of this study is to investigate the quality characteristics and fatty acid composition of meat from male Akkaraman (AKK) and Bafra × Akkaraman B₁ (BA B₁) lambs slaughtered at different live weights. Thirty-six male lambs (18 AKK and 18 BA B₁) were slaughtered at three different slaughter weights (35, 40, and 45 kg) after being fattened intensively. Meat physical quality characteristics and fatty acid profiles were used as response variables. Color parameters (L, a, and b*) and pH were not significantly influenced by genotype and slaughter weight (SW). Water-holding capacity (WHC) was significantly affected by SW (P < 0.05), cooking loss (CL) by genotype (P < 0.001). Increasing SW, intramuscular fat of the Longissimus thoracis muscle showed increased total unsaturated fatty acids (TUFA) (P < 0.01) and ratios of TUFA/saturated fatty acids (SFA) (P < 0.01), and decreased thrombogenic and atherogenic indices (P < 0.01). Monounsaturated fatty acids (MUFA) (P < 0.05) and polyunsaturated fatty acids (PUFA) (P < 0.01) varied on with the genotypes. In conclusion, genotype and SW did not greatly affect meat quality; however, MUFA and PUFA mutually changed according to the genotype, and fatty acid percentages improved according to the SW.
Keywords	color ; fatty acid composition ; fatty acids ; genotype ; intramuscular fat ; longissimus muscle ; males ; meat ; meat composition ; meat quality ; pH ; sheep ; slaughter ; slaughter weight ; water holding capacity
Language	English
Dates of publication	2023-04
Size	p. 116.
Publishing place	Springer Netherlands
Document type	Article ; Online
ZDB-ID	603363-5
ISSN	1573-7438 ; 0049-4747
ISSN (online)	1573-7438
ISSN	0049-4747
DOI	10.1007/s11250-023-03523-5
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Article ; Online: The effects of some factors on the time to first successful stand up and sucking of native lambs after parturition.

Güngör, Ömer Faruk / Ünal, Necmettin / Özbeyaz, Ceyhan / Akçapınar, Halil

Tropical animal health and production

2022 Volume 54, Issue 5, Page(s) 333

Abstract: The study aimed to identify the effects of birth time, birth weight, and the time to first grooming on the time to first successful stand up and sucking of the pure and crossbred native lambs. Data were recorded from pure (22 B-Bafra and 20 AKK-Akkaraman) ...

Abstract	The study aimed to identify the effects of birth time, birth weight, and the time to first grooming on the time to first successful stand up and sucking of the pure and crossbred native lambs. Data were recorded from pure (22 B-Bafra and 20 AKK-Akkaraman) and crossbred (19 BA F
MeSH term(s)	Animals ; Animals, Newborn ; Birth Weight ; Eating ; Female ; Parturition ; Pregnancy ; Sheep ; Sheep, Domestic
Language	English
Publishing date	2022-09-30
Publishing country	United States
Document type	Journal Article
ZDB-ID	603363-5
ISSN	1573-7438 ; 0049-4747
ISSN (online)	1573-7438
ISSN	0049-4747
DOI	10.1007/s11250-022-03333-1
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Article ; Online: The effects of some factors on the time to first successful stand up and sucking of native lambs after parturition

Güngör, Ömer Faruk / Ünal, Necmettin / Özbeyaz, Ceyhan / Akçapınar, Halil

Trop Anim Health Prod. 2022 Oct., v. 54, no. 5 p.333-333

2022

Abstract	The study aimed to identify the effects of birth time, birth weight, and the time to first grooming on the time to first successful stand up and sucking of the pure and crossbred native lambs. Data were recorded from pure (22 B-Bafra and 20 AKK-Akkaraman) and crossbred (19 BA F₁ (B × AKK) and 13 BA B₁ (B × F₁)) lambs during the first 3 h after delivery. The time to first successful stand up of lambs was significantly affected by the birth time (P = 0.045), the time to first grooming (P = 0.000), and the time to first successful sucking (P = 0.000). Genotype significantly affects the time to first successful stand up of the lambs born at night (P = 0.000), low birth weight (P = 0.042), the time to first grooming (short, P = 0.001, and prolonged, P = 0.019), and the time to first successful sucking (early, P = 0.041, and late, P = 0.005). Data demonstrated that the time to first successful stand up affected the time to first successful sucking. The time to first successful stand up was longer for the lambs born at night, with low birth weight, and was affected by the time to first grooming, especially for the B lambs. Consequently, it should be given particular importance to the care of lambs born at night with low weight and exposed to mismothering.
Keywords	genotype ; low birth weight ; parturition
Language	English
Dates of publication	2022-10
Size	p. 333.
Publishing place	Springer Netherlands
Document type	Article ; Online
ZDB-ID	603363-5
ISSN	1573-7438 ; 0049-4747
ISSN (online)	1573-7438
ISSN	0049-4747
DOI	10.1007/s11250-022-03333-1
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Article: Investigation of Factors Influencing Thoroughbred Horses' Racing Career Length in Turkey

Özen, Doğukan / Kaya, Ufuk / Özen, Hülya / Ambarcioğlu, Pınar / Ünal, Necmettin / Gürcan, İsmayil Safa

Journal of equine veterinary science. 2021 Dec., v. 107

2021

Abstract: The aim of this research was to determine the average length of a Thoroughbred horse's racing career in Turkey using survival functions of Thoroughbred horses with various characteristics. In addition, the aim was to identify risk factors that could ... ...

Abstract	The aim of this research was to determine the average length of a Thoroughbred horse's racing career in Turkey using survival functions of Thoroughbred horses with various characteristics. In addition, the aim was to identify risk factors that could influence the duration of a Thoroughbred horse's racing career and develop a survival model that took these factors into account. A total of 11,721 Thoroughbred horses born in 2007 and later were included in the study population. The horses involved in the study were followed for a minimum of 1 year. Kaplan-Meier analysis was used to calculate the average length of racing career for each factor studied. Extended Cox regression analysis was used to determine the risk factors upon time of career ending and to create a survival model. Results showed that, the mean career length of Thoroughbred horses was 17.79 months (95% CI: 17.41–18.13). Also, "starting age of the race," "number of starts," "type of track where the race started," "racing on a single type racetrack" and "earning status" were found risk factors that affect the length of the racing career. Earnings was the top relative contributor to the established model, and its sole adjusted effect showed that being in the lowest earning group increased the hazard of career ending 2.28 times (95% CI:1.98–2.61) compared to horses with highest earning group. In conclusion, clear differences upon the length of racing career was observed for each investigated factor. Future studies should be considerate of these differences when analyzing population data.
Keywords	Thoroughbred ; horses ; models ; regression analysis ; veterinary medicine
Language	English
Dates of publication	2021-12
Publishing place	Elsevier Inc.
Document type	Article
ZDB-ID	2102631-2
ISSN	1542-7412 ; 0737-0806
ISSN (online)	1542-7412
ISSN	0737-0806
DOI	10.1016/j.jevs.2021.103782
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Article: Investigation of Factors Influencing Thoroughbred Horses' Racing Career Length in Turkey.

Özen, Doğukan / Kaya, Ufuk / Özen, Hülya / Ambarcioğlu, Pınar / Ünal, Necmettin / Gürcan, İsmayil Safa

Journal of equine veterinary science

2021 Volume 107, Page(s) 103782

Abstract	The aim of this research was to determine the average length of a Thoroughbred horse's racing career in Turkey using survival functions of Thoroughbred horses with various characteristics. In addition, the aim was to identify risk factors that could influence the duration of a Thoroughbred horse's racing career and develop a survival model that took these factors into account. A total of 11,721 Thoroughbred horses born in 2007 and later were included in the study population. The horses involved in the study were followed for a minimum of 1 year. Kaplan-Meier analysis was used to calculate the average length of racing career for each factor studied. Extended Cox regression analysis was used to determine the risk factors upon time of career ending and to create a survival model. Results showed that, the mean career length of Thoroughbred horses was 17.79 months (95% CI: 17.41-18.13). Also, "starting age of the race," "number of starts," "type of track where the race started," "racing on a single type racetrack" and "earning status" were found risk factors that affect the length of the racing career. Earnings was the top relative contributor to the established model, and its sole adjusted effect showed that being in the lowest earning group increased the hazard of career ending 2.28 times (95% CI:1.98-2.61) compared to horses with highest earning group. In conclusion, clear differences upon the length of racing career was observed for each investigated factor. Future studies should be considerate of these differences when analyzing population data.
MeSH term(s)	Animals ; Horses ; Kaplan-Meier Estimate ; Physical Conditioning, Animal ; Running ; Turkey
Language	English
Publishing date	2021-10-07
Publishing country	United States
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	2102631-2
ISSN	1542-7412 ; 0737-0806
ISSN (online)	1542-7412
ISSN	0737-0806
DOI	10.1016/j.jevs.2021.103782
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Article: Effects of the genotype, cage type and time period on the behaviour of laying hybrids at the same egg production level

Onbaşılar, Esin Ebru / Erdem, Evren / Kocakaya, Afşin / Güngör, Ömer Faruk / Kahraman, Mücahit / Yaranoğlu, Büşra / Ünal, Necmettin / Çapar Akyüz, Hilal / Gündoğar, Umut Can

Tropical animal health and production. 2022 Apr., v. 54, no. 2

2022

Abstract: Hybrids with different morphological and yield characteristics are used in the table egg production. There is no change in the cage systems according to the different hybrids in the regulation. This study aimed to investigate the effects of genotype ( ... ...

Abstract	Hybrids with different morphological and yield characteristics are used in the table egg production. There is no change in the cage systems according to the different hybrids in the regulation. This study aimed to investigate the effects of genotype (brown laying hybrids (BLH) and white laying hybrids (WLH)) and cage type (conventional and enriched cages) on behaviours of hens at the 90% egg production level. Behavioural data were recorded with video cameras during the 4 days. Data were analysed in 6 time periods as 05.00–08.00 am, 09.00–12.00 am, 01.00–04.00 pm, 05.00–08.00 pm, 09.00–12.00 pm and 01.00–04.00 am. Behaviour inspection each hour was divided into 4 quarters and the first 3 min of each quarter were evaluated. Behaviours were represented as the proportion of the total behaviour performed in the time period by a given hen. There was no interaction between hens’ behaviour and the genotype at the same egg production level. The frequency of feeding behaviour was found to be significantly lower (P < 0.01), but comfort behaviour was higher (P < 0.05) in hens that were reared in the enriched cages. Only preening was seen as a comfort behaviour due to the cage size. The feeding, drinking, pecking hen, comforting, walking, sitting, resting and perching behaviours changed during the day (P < 0.01). Especially, the transition from light to dark influenced the perching behaviour negatively. No interactions were detected amongst genotype, cage type and time period. Feeding behaviour decreased and the comfort behaviour increased in the hens that were reared in the enriched cages because there were materials that would exhibit different behaviours. Hens in the enriched cage could not suddenly adapt to the dark and light period. For this reason, transitions to light and dark periods in poultry houses should be provided gradually, as in natural life.
Keywords	animal health ; cage size ; egg production ; genotype ; hens ; photophase
Language	English
Dates of publication	2022-04
Size	p. 149.
Publishing place	Springer Netherlands
Document type	Article
ZDB-ID	603363-5
ISSN	1573-7438 ; 0049-4747
ISSN (online)	1573-7438
ISSN	0049-4747
DOI	10.1007/s11250-022-03157-z
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