Performance of local goats and their backcrosses with several breeds in Mexico

Montaldo, Hugo H.; Juárez-Caratachea, Aureliano; Berruecos, José M.; Sánchez, Fausto

doi:10.1016/0921-4488(95)00624-t

Cited by 29 publications

(23 citation statements)

References 14 publications

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“…The significant effect of age on the lactation length and milk yield in lactation period in this study is smilar to the results of SENGONCA et al (2003) who have studied Hair goats and Saanen × Hair crossbred goats and the results of MONTALDO et al (1995) and KHAN et al (2000) who studied other goat breeds.…”

Section: Milk Production Traitssupporting

confidence: 75%

Some production traits of indigenous Hair goats bred under extensive conditions in Turkey. 1st communication: reproduction, milk yield and hair production traits of does

Toplu

Altınel

2008

Arch. Anim. Breed.

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This study was conducted to investigate the reproductive performance, milk yield, hair production, fleece characteristics and body weight after shearing of Hair goats (Anatolian Black Goats), bred under extensive conditions in Turkey. The material of the study was formed a total data of 456 Hair goats, which were between 2 and 7 years of age bred in the period of two years. Conception rate, infertility rate, abortion rate, kidding rate, single birth rate, twin birth rate, the percentage of kids born according to mated does and litter size were 97.81 %, 2.19 %, 3.59 %, 94.30 %, 97.91 %, 2.09 %, 96.27 % and 1.02, respectively. Lactation length, milk yield in lactation period, milking period and milk yield in milking period of goats were determined as 232.29 days, 100.92 kg, 132.09 days and 43.14 kg, respectively. Hair production, fibre diameter and staple length of Hair goats in the study were determined as 381.00 g, 76.70 micrones and 13.63 cm, respectively. It was found that the effects of production year and farm on the reproductive traits given by percentage weren't statistically significant, whereas the difference among production years for litter size was significant. It was found that the effect of production year on milk production traits except for lactation length and on the hair production; the effect of farm factor on the hair production, staple length and live weigth after shearing; the effect of age on the milk production traits, hair production traits and live weight after shearing; the effect of live weight on the hair production were statistically significant (p<0.05).Keywords: Hair goat, reproductive performance, milk yield, hair yield Zusammenfassung Titel der Arbeit: Leistungen einheimischer Haarziegen, gehalten unter extensiven Bedingungen in der Türkei. 1. Mitteilung: Reproduktionsleistungen, Milch-und Haarertrag In vorliegender Studie werden die Fortpflanzungsleistungen, die Milch und Haarerträge sowie Vlieseigenschaften und Körpergewichte nach der Schur von Haarziegen, die unter extensiven Bedingungen in der Türkei gehalten wurden, untersucht. Die Daten umfassen die zweijährigen Ergebnisse von 456 zwei bis sieben Jahre alten Geißen. Erfasst wurden die Trächtigkeits-, Unfruchtbarkeits-, Aufzucht-, Einlings-und die Zwillingsrate sowie der Anteil geborener Kitze je Geiß. Die Durchschnittswerte in % dieser Reihenfolge betrugen 97,81, 2,19, 3,59, 94,30, 97,91, 2,09, 96,27

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Section: Milk Production Traitssupporting

confidence: 75%

Some production traits of indigenous Hair goats bred under extensive conditions in Turkey. 1st communication: reproduction, milk yield and hair production traits of does

Toplu

Altınel

2008

Arch. Anim. Breed.

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“…Under stall-feeding conditions, upgrading to Alpine, Saanen and Toggenburg breeds has resulted in higher milk yield per lactation than in local, Granadina and Nubian goats. Results on weight and litter size at kidding and on birth weight of kids have also been reported (Montaldo et al 1995;Sánchez et al 1994). …”

supporting

confidence: 55%

“…In agreement with these reports, the higher survival observed in Granadina relative to the other breeds may be explained by acclimatization, because this breed was developed from local males and females, whereas the other breeds were obtained by upgrading local "criollo" goats, by successive matings with purebred Alpine, Nubian, Saanen or Toggenburg sires, originated in the United States. Another explanation may be the higher nutrient requirements of the exotic breeds, compared with Granadinas, attributed to higher birth weight (Sánchez et al 1994), higher post-kidding body weight (in Nubian and Saanen goats), and higher milk yield (in Alpine, Saanen and Toggenburg goats) (Montaldo et al 1995).…”

Section: Resultsmentioning

confidence: 99%

Factors affecting kid survival in five goat breeds

Perez-Razo¹

1998

Can. J. Anim. Sci.

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Data on 7757 kid's records (2424 Alpine, 1417 Granadina, 2225 Nubian, 1043 Saanen and 648 Toggenburg) were used to study the effect of the breed, sex, litter size, birth weight, dam age, year of birth and birth period (October–January, February, March, April–July) on kid survival rates from 0–15, 16–90 and 91–210 days of age. Survival of kids was in general highest in Granadina and lowest in Toggenburg, while values in the other breeds, tended to be intermediate. Survival in males was lower than in female kids 0–15 and 16–90 d of age (P < 0.001). Kids weighing more than 3 kg at birth had higher survival than those weighing 2 kg or less (P < 0.01). Year and period of birth (P < 0.001) affected all survival rates, and kids born from October to January always showed a higher survival rate than those born from April to July. Breed with birth period, age of dam and birth weight interactions (P < 0.05) indicated a greater sensitivity of Alpines, Saanen and Toggenburg to the above factors. Key words: Goat kids, Alpine, Granadina, Nubian, Saanen, Toggenburg, survival

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“…Therefore, body conformation score, which is highly subjective and has low heritability, has been widely used. But, with the introduction of indices from body measurements, objective assessment of body conformation from the stand point of type may be relatively easier (Mwacharo et al, 2006). Thus, the objective of this study was to describe production indices for the Cuban Creole goat.…”

Section: Introductionmentioning

confidence: 99%

“…When little is known about a resource, its identity as a genetic group, its production, reproduction and adaptation potential, it is more difficult to find a market niche in the production system. Phenotypic characterization is therefore an important step in a conservation program, for breed identification and classification in ways that farming communities could be related (Dossa et al, 2007;Mwacharo et al, 2006).…”

Section: Introductionmentioning

confidence: 99%

Morphological measurements and body indices for Cuban Creole goats and their crossbreds

et al. 2011

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-In this work, linear body measures were taken and production indices calculated for 100 Cuban Creole goats and 100 crossbred goats in order to aid in the characterization of animal genetic resources in Cuba. Low variation was found for all indices of the Creole goats, showing homogeneity between the groups of animals studied. Most of the functional indices are related to the milk biotype which is in agreement the possible origin of the breed from animals of the Iberian Peninsula and Canary Islands. The crossbreds were more varied, mostly due to undesigned disorganized crossing. These data may help in identifying a commercial niche for the breed and contribute to in situ conservation of the Cuban Creole goat.

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Performance of local goats and their backcrosses with several breeds in Mexico

Cited by 29 publications

References 14 publications

Some production traits of indigenous Hair goats bred under extensive conditions in Turkey. 1st communication: reproduction, milk yield and hair production traits of does

Some production traits of indigenous Hair goats bred under extensive conditions in Turkey. 1st communication: reproduction, milk yield and hair production traits of does

Factors affecting kid survival in five goat breeds

Morphological measurements and body indices for Cuban Creole goats and their crossbreds

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